<template>
    <div>
        <city-header></city-header>
        <city-search :cities="cities"></city-search>
        <city-list 
        :cities="cities" 
        :hot="hotCities"
        :letter="letter"
        ></city-list>
        <city-alphabet 
        :cities="cities"
        @change="handleLetterChange"
        ></city-alphabet>
    </div>
</template>
<script>
import axios from 'axios';
import CityHeader from './components/Header'
import CitySearch from './components/Search'
import CityList from './components/List'
import CityAlphabet from './components/Alphabet'
    export default {
        name: "City",
        components: {
            CityHeader,
            CitySearch,
            CityList,
            CityAlphabet
        },
        data(){
            return{
                cities:{},
                hotCities:[],
                letter:''

            }
        },
        methods:{
           getCityInfo(){
               axios.get('/api/city.json')
               .then((res)=>{
                   res=res.data
                   if(res.ret&&res.data){
                       const data=res.data
                       this.cities=data.cities
                       this.hotCities=data.hotCities
                   }
               })
           },
           handleLetterChange(letter){
               this.letter=letter
               console.log(letter)
           }
        },
        mounted(){
            this.getCityInfo();
        }
    }
</script>
<style lang="stylus" scoped>

</style>